#include<iostream>
using namespace std;

int main()
{
	union Score {
		double ds;
		char level;
	};

	struct Student {
		string name;
		int age;
		Score s;
	};

	Student s1;
	//strcpy_s(s1.name, "lili");
	s1.name = "lili";
	s1.age = 16;
	s1.s.ds = 95.5;
	s1.s.level = 'A';

	//cout << sizeof(Score) << endl;
	//cout << sizeof(Student) << endl;

	return 0;
}
